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authorArtur Petrosyan <Arthur.Petrosyan@synopsys.com>2021-03-26 11:24:46 +0100
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2021-03-26 14:51:22 +0100
commit5e3bbae8ee3d677a0aa2919dc62b5c60ea01ba61 (patch)
tree7bbbfaa8a04e74a5ce449c36bcd4b7c46c609e7e /drivers/usb
parentusb: musb: Fix suspend with devices connected for a64 (diff)
downloadlinux-5e3bbae8ee3d677a0aa2919dc62b5c60ea01ba61.tar.xz
linux-5e3bbae8ee3d677a0aa2919dc62b5c60ea01ba61.zip
usb: dwc2: Fix HPRT0.PrtSusp bit setting for HiKey 960 board.
Increased the waiting timeout for HPRT0.PrtSusp register field to be set, because on HiKey 960 board HPRT0.PrtSusp wasn't generated with the existing timeout. Cc: <stable@vger.kernel.org> # 4.18 Fixes: 22bb5cfdf13a ("usb: dwc2: Fix host exit from hibernation flow.") Signed-off-by: Artur Petrosyan <Arthur.Petrosyan@synopsys.com> Acked-by: Minas Harutyunyan <Minas.Harutyunyan@synopsys.com> Link: https://lore.kernel.org/r/20210326102447.8F7FEA005D@mailhost.synopsys.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb')
-rw-r--r--drivers/usb/dwc2/hcd.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/usb/dwc2/hcd.c b/drivers/usb/dwc2/hcd.c
index fc3269f5faf1..40e5655921bf 100644
--- a/drivers/usb/dwc2/hcd.c
+++ b/drivers/usb/dwc2/hcd.c
@@ -5398,7 +5398,7 @@ int dwc2_host_enter_hibernation(struct dwc2_hsotg *hsotg)
dwc2_writel(hsotg, hprt0, HPRT0);
/* Wait for the HPRT0.PrtSusp register field to be set */
- if (dwc2_hsotg_wait_bit_set(hsotg, HPRT0, HPRT0_SUSP, 3000))
+ if (dwc2_hsotg_wait_bit_set(hsotg, HPRT0, HPRT0_SUSP, 5000))
dev_warn(hsotg->dev, "Suspend wasn't generated\n");
/*